公开(公告)号：US20150270476A1

公开(公告)日：2015-09-24

申请号：US14284168

申请日：2014-05-21

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Boum Seock KIM ,  Kyung-Mi KIM ,  Seung Ho LEE ,  Kyung-Lock KIM ,  Jung-Wook SEO

IPC: H01L41/083 ,  B06B1/02 ,  H01L41/187

CPC classification number: H01L41/0838 ,  B06B1/0603 ,  H01L41/1876

Abstract: Disclosed are a piezoelectric element and a piezoelectric vibrator having the same. The piezoelectric element and the piezoelectric vibrator having the same in accordance with an embodiment of the present invention include: a piezoelectric material formed by laminating a plurality of ceramic layers with one another; internal electrodes formed, respectively, on surfaces of the ceramic layers; and a pair of cover layers formed, respectively, above and below the piezoelectric material in order to protect the internal electrodes, and at least one of the cover layers includes: a plurality of crystal grains; and crack inhibiting particles disposed at boundaries between the plurality of crystal grains and configured to inhibit a crack from spreading in the cover layers.

Abstract translation: 公开了一种压电元件和具有该压电元件的压电振动器。 根据本发明的实施例的压电元件和具有该压电元件的压电振动器包括：通过将多个陶瓷层彼此层压而形成的压电材料; 内部电极分别形成在陶瓷层的表面上; 以及分别形成在所述压电材料上方和下方的一对覆盖层，以便保护所述内部电极，并且所述覆盖层中的至少一个包括：多个晶粒; 以及设置在所述多个晶粒之间的边界处并被构造为抑制裂纹在所述覆盖层中扩展的裂纹抑制粒子。

公开(公告)号：US20150253849A1

公开(公告)日：2015-09-10

申请号：US14257246

申请日：2014-04-21

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Kyung-Lock KIM ,  Kyung-Mi Kim ,  Seung-Ho Lee ,  Jung-Wook Seo ,  Boum-Seock Kim

IPC: G06F3/01 ,  G06F3/041 ,  G06F1/16 ,  H01L41/08

CPC classification number: G06F3/041 ,  G06F3/0436 ,  G06F2203/04103 ,  H01L41/0825

Abstract: A piezoelectric oscillation substrate is disclosed. The piezoelectric oscillation substrate in accordance with an aspect of the present invention includes: a substrate body having a receiving groove formed on one surface thereof; an adhesive layer formed by being coated on a surface of the receiving groove; and a piezoelectric body being received in the receiving groove and adhered to the substrate body by the adhesive layer so as to generate vibrations in the substrate body.

Abstract translation: 公开了一种压电振荡基板。 根据本发明的一个方面的压电振荡基板包括：具有形成在其一个表面上的接收槽的基板主体; 通过涂覆在所述接收槽的表面上形成的粘合剂层; 以及压电体，其被容纳在所述容纳槽中并且通过所述粘合剂层粘附到所述基板主体，以在所述基板主体中产生振动。

公开(公告)号：US20150321222A1

公开(公告)日：2015-11-12

申请号：US14687324

申请日：2015-04-15

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Boum-Seock KIM ,  Kyung-Lock KIM ,  Seung-Ho LEE ,  Jung-Wook SEO ,  Hui-Sun PARK

IPC: B06B1/06 ,  H01L41/047 ,  H01L41/083

CPC classification number: H01L41/0926 ,  B06B1/0603 ,  H01L41/0474 ,  H01L41/083 ,  H01L41/0838

Abstract: A piezoelectric element and piezoelectric vibration module include a piezoelectric material having a plurality of piezoelectric layers laminated thereon and internal electrodes laminated alternately with the piezoelectric layers, respectively. Among the plurality of piezoelectric layers, a magnitude of applied electric field on a piezoelectric layer located at one end is smaller than a magnitude of applied electric field on a piezoelectric layer located at the other end.

Abstract translation: 压电元件和压电振动模块包括分别层压有多个压电层的压电材料和与压电层交替层叠的内部电极。 在多个压电层中，位于一端的压电层上施加的电场的大小小于位于另一端的压电层上施加的电场的大小。

公开(公告)号：US20150255704A1

公开(公告)日：2015-09-10

申请号：US14493148

申请日：2014-09-22

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Boum-Seock KIM ,  Kyung-Lock KIM ,  Hui-Sun PARK ,  Jung-Wook SEO

IPC: H01L41/083 ,  H01L41/187 ,  H01L41/047 ,  H01L41/053

CPC classification number: H01L41/0474 ,  H01L41/0533 ,  H01L41/0926 ,  H01L41/1876

Abstract: A piezoelectric element and a piezoelectric vibrator having the same are disclosed. A piezoelectric element according to the present invention includes: a plurality of ceramic piezoelectric layers configured to contract and expand according to supply of electric power; an electrode pattern constituted with electrodes laminated alternately with the plurality of ceramic piezoelectric layers; and a flexible layer formed on a surface of an upper-most electrode of the electrode pattern so as to protect the upper-most electrode and configured to prevent a crack from occurring by contracting and expanding according to contraction and expansion of the ceramic piezoelectric layers.

Abstract translation: 公开了一种压电元件和具有该压电元件的压电振子。 根据本发明的压电元件包括​​：多个陶瓷压电层，其被构造为根据电力供应来收缩和膨胀; 电极图案，由与所述多个陶瓷压电体层交替层叠的电极构成; 以及形成在电极图案的最上部电极的表面上的柔性层，以保护最上面的电极，并且被构造成通过根据陶瓷压电层的收缩和膨胀而收缩和膨胀来防止裂纹发生。